A vacuum tolerant high voltage system with a low noise and low power Cockcroft-Walton photomultiplier base

被引：5

作者：

Masuda, T. ^{[1
]}

Iwai, E. ^{[2
]}

Kawasaki, N. ^{[1
]}

Kim, E. J. ^{[3
]}

Komatsubara, T. K. ^{[4
]}

Lee, J. W. ^{[2
]}

Lim, G. Y. ^{[4
]}

Maeda, Y. ^{[1
]}

Naito, D. ^{[1
]}

Nanjo, H. ^{[1
]}

Nomura, T. ^{[4
]}

Ri, Y. D. ^{[2
]}

Sasao, N. ^{[5
]}

Sato, K. ^{[2
]}

Seki, S. ^{[1
]}

Shiomi, K. ^{[2
]}

Sugiyama, Y. ^{[2
]}

Togawa, M. ^{[2
]}

Watanabe, H. ^{[4
]}

Yamanaka, T. ^{[2
]}

机构：

[1] Kyoto Univ, Dept Phys, Kyoto 6068502, Japan

[2] Osaka Univ, Dept Phys, Osaka 5600043, Japan

[3] Chonbuk Natl Univ, Div Sci Educ, Jeonju 561756, South Korea

[4] High Energy Accelerator Res Org KEK, Tsukuba, Ibaraki 3050801, Japan

[5] Okayama Univ, Res Core Extreme Quantum World, Kita Ku, Okayama 7008530, Japan

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2014年 / 746卷

基金：

日本学术振兴会;

关键词：

J-PARC; KOTO; Calorimeter; CW base; Photomultiplier tube;

D O I：

10.1016/j.nima.2014.02.007

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

We developed a high voltage system for the electromagnetic calorimeter of the KOTO detector. The system is designed around a low noise, low power Cockcroft-Walton (CW) photomultiplier tube base with a high gain preamplifier. The low power makes it suitable for operations in vacuum. The low noise and high gain allow detecting signals in the 1 MeV range. We achieved a final noise level below 180 mu Vrms, for a preamplifier gain of more than 40. A vacuum tolerant control system for the CW bases power distribution was also designed. This system is able to control and monitor the high voltage of each individual base. (c) 2014 Elsevier B.V. All rights reserved.

引用

页码：11 / 19

页数：9

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